Tag Archives: landscape

Mammoth Peak Reflected in Tioga Tarn

Mammoth Peak Reflected in Tioga Tarn
Mammoth Peak Reflected in Tioga Tarn

Mammoth Peak Reflected in Tioga Tarn. Yosemite National Park, California. July 22, 2010. © Copyright G Dan Mitchell – all rights reserved.

Mammoth Peak in sunset light, reflected in the still surface of Tioga Tarn, Tioga Pass, Yosemite National Park.

This view of Mammoth Peak on Kuna Crest in the Yosemite High Country from the Tioga Tarns at the top of Tioga Pass is a classic Sierra Nevada scene. The foreground tarns are lush green in the early summer after the snow melts out and fall into shadow early in the evening as the sun drops behind the ridge between this area and Gaylor Lakes. Mammoth Peak, however, has an almost unobstructed line of sight to the west, so this peak continues to hold the sunset light until the last possible minute. (Don’t let the peaceful appearance of the scene fool you – I was being devoured by clouds of mosquitos as I made these exposures.)

In order to deal with the extremely large dynamic range between the Mammoth Peak snow fields in direct sun and the very dark shadows of the nearby forest I resorted to exposure blending and a few other post-processing techniques. With exposure blending, I make two exposures, one optimized for the brightest areas of the scene and the second a slightly longer exposure to capture a bit more of the shadow detail. In post I began with the darker frame, since that presented Mammoth Peak the way I remembered it. Then I placed to other exposure beneath it and used a mask layer to reveal some of the lighter areas from the lower layer.


G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” (Heyday Books) is available directly from him.

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All media © Copyright G Dan Mitchell and others as indicated. Any use requires advance permission from G Dan Mitchell.

Shoreline Grasses and Subalpine Pond

Shoreline Grasses and Subalpine Pond
“Shoreline Grasses and Subalpine Pond” — Passing clouds reflected in the surface of a subalpine pond with summer meadow grass, Tioga Pass, Yosemite National Park.

I made this photograph on a special afternoon late last July. Although I had been across Tioga Pass earlier in the season when it was still very snowy, this was my first real visit to the summer high country of the season. It was a beautiful, sunny afternoon with just a few fluffy clouds floating about when I came to the meadows near Tioga Pass. The color of the meadow grasses was at just that perfect point that we think of when we imagine summer subalpine meadows – the intense green just before the wildflowers bloom and the inevitable change toward fall begins. (Yes, after some summers in the high country this cycle becomes clearer and clearer.)

Continue reading Shoreline Grasses and Subalpine Pond

Boulders and Spring Torrent, Cascade Creek

Boulders and Spring Torrent, Cascade Creek
“Boulders and Spring Torrent, Cascade Creek” — Runoff from spring snow melt rushes over boulders of Cascade Creek, Yosemite National Park.

I recently posted the black and white version of this photograph of Cascade Creek in full spring flow.

The color version of this photograph posed a series of post-processing questions and problems that others who have worked with a scene like this one can probably imagine. The creek descends through a narrow, rocky gorge at this point and I photographed it early in the morning before any direct sunlight was able to reach the water. Benefits of shooting at this time included the softer light, which tends to both throw some light into the shadows and to soften the brightest highlights. This also permits a longer exposure which allows the water to blur a bit and express the wild motion of the creek. However, since the primary source of light was the open sky, the camera “sees” a very blue scene. (Our visual system compensates for this, so it doesn’t look as blue as it really is when you are on the scene.)

There are several ways to deal with the color balance issues that this situation creates. You could just “go with the blue,” and I’ve seen photographs done that way. I’ve even seen some in which the photograph amped up the saturation and ended up with something very blue. In general, that’s not my thing! I’m most often looking for something that seems “believable” – it may not be objectively accurate, but I intend it to be “subjectively accurate.” With this in mind, my first instinct was simply to warm the color balance in order to move away from the blue cast and toward a warmer one.

My immediate impression was that this was an improvement, and I worked with this interpretation for several days – but something about it didn’t sit quite right with me. (This is perhaps one reason that I also worked with the black and white rendition in the meantime.) Eventually I did some comparisons between the “warmed up” version and the original… and neither seemed like what I was after. The overly blue original looked garish but the overly warm version seemed artificial. I tried some other approaches and finally discovered that because the blue was so intense that I could simply desaturate it – more than you might think – and keep the “colder” coloration without letting it overwhelm the image.

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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.

Canon EOS 5D Mark II (at B&H)
Canon EF 70-200mm f/4 L USM at 126mm (at B&H)
ISO 100, f/16, 1/8 second


 

Burned Forest, Yosemite Valley, Autumn

Burned Forest, Yosemite Valley, Autumn
Burned Forest, Yosemite Valley, Autumn

Burned Forest, Yosemite Valley, Autumn. Yosemite National Park, California. October 31, 2010. © Copyright G Dan Mitchell – all rights reserved.

Evening light in a burned section of the forest on the floor of Yosemite Valley.

I’ve been sitting on this photograph for a while, so I figure I’ll post it now. I made it last fall – on Halloween, actually! – during a fall color trip to the Valley. Late on my final evening I finally stopped and walked out across the old terminal moraine that crosses the lower Valley not far upstream from Pohono Bridge. (When you drive into the Valley, the road splits, and before long you’ll see the south end of this feature to your left as you go up a short climb.) I started at the north end and as I walked south looking for a photograph it was a very quite, still, and cold evening.

I finally found a spot where I could go down the lower side of the hill just a bit and find a relatively clear shot through the trees that wasn’t blocked by foliage closer to my position. This area has been burned, and I assume that it is the result of one of the management burns that often occur late in the season. These fires attempt to strengthen the forest by reintroducing the natural process and cycles of fire. The result is interesting charring patterns along the lower portions of the trees, temporary burned undergrowth, and then as the recovery takes place a much more open and airy sort of forest as you see in this photograph.

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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.